MarsSeed [1] filed a deletion request for udev-notify-bzr [2]:

This VCS package might not be needed because development
seems to have stopped 6 years ago.

It is worth considering deleting this. Nothing depends on it.

[1] https://aur.archlinux.org/account/MarsSeed/
[2] https://aur.archlinux.org/pkgbase/udev-notify-bzr/